论文部分内容阅读
朝阳立交特大桥是广州市华南路横跨铁路京广双线、武广Ⅲ线的一座预应力混凝土简支梁桥,为确保铁路路基安全,对铁路路基边上的桩基施工范围进行了地基加固。本文简述了桩基施工地质加固三种方案的比选,主要介绍了高压旋喷桩施工情况和效果。
Chaoyang Overpass Bridge is a prestressed concrete simple-supported beam bridge across South China Road, Guangzhou City, Guang-Guang Double Line and Wu-Guang Line Ⅲ. In order to ensure the safety of railway embankment, the foundation of the pile foundation construction area on the railway embankment foundation Reinforced. This article outlines the comparison and selection of three schemes of geological reinforcement of pile foundation construction, mainly introduces the construction and effect of high pressure rotary jet grouting pile.